What's the point of NATO?

NATO was set up in 1949 to counter the Soviet threat. Its North American and European members must continue to change the alliance if it is to remain relevant in the 21st century. Click here to subscribe to The Economist on YouTube: https://econ.st/2xvTKdy For more from Economist Films visit: http://films.economist.com/ Check out The Economist’s full video catalogue: http://econ.st/20IehQk Like The Economist on Facebook:   / theeconomist   Follow The Economist on Twitter:   / theeconomist   Follow us on Instagram:   / theeconomist   Follow us on Medium:   / the_economist